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hooks.js CSP example
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// https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP | |
// https://scotthelme.co.uk/content-security-policy-an-introduction/ | |
// scanner: https://securityheaders.com/ | |
const rootDomain = `your-domain.com`; // or your server IP for dev | |
const directives = { | |
'img-src': [ | |
"*", | |
"'self'", | |
"data:", | |
], | |
'font-src': [ | |
"*", | |
"'self'", | |
"data:", | |
], | |
'style-src': [ | |
"'self'", | |
"'unsafe-inline'" | |
], | |
'default-src': [ | |
"'self'", | |
rootDomain, | |
"ws://" + rootDomain, | |
"https://*.google.com", | |
"https://*.googleapis.com", | |
"https://*.firebase.com", | |
"https://*.gstatic.com", | |
"https://*.cloudfunctions.net", | |
"https://*.algolia.net", | |
"https://*.facebook.com", | |
"https://*.facebook.net", | |
"https://*.stripe.com", | |
"https://*.sentry.io", | |
], | |
'script-src': [ | |
"'self'", | |
"'unsafe-eval'", | |
"'unsafe-inline'", | |
rootDomain, | |
"https://*.stripe.com", | |
"https://*.facebook.com", | |
"https://*.facebook.net", | |
"https://*.sentry.io", | |
"https://polyfill.io", | |
// (req, res) => `'nonce-${res.locals.nonce}'`, | |
], | |
'frame-src': [ | |
"https://*.stripe.com", | |
"https://*.facebook.com", | |
"https://*.facebook.net", | |
] | |
}; | |
let CSP = Object.entries(directives).map(([key, arr]) => key + ' ' + arr.join(' ')).join('; '); | |
export async function handle(request, render) { | |
const response = await render(request); | |
console.log('handle', { ...response.headers }); | |
return { | |
...response, | |
headers: { | |
...response.headers, | |
'X-Frame-Options': 'SAMEORIGIN', | |
'Referrer-Policy': 'no-referrer', | |
'Feature-Policy': `microphone 'none'; geolocation 'none'`, | |
'Permissions-Policy': `geolocation=(self "${rootDomain}"), camera=(), fullscreen=*`, | |
'X-Content-Type-Options': `nosniff`, | |
'Content-Security-Policy': CSP | |
} | |
}; | |
} |
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